Compare Char Arrays

using System;
using System.Linq;


namespace CompareCharArrays
{
    class MainClass
    {
        public static void Main(string[] args)
        {
            char[] first  = Console.ReadLine()
                                    .Split(' ')
                                    .Select(char.Parse)
                                    .ToArray();

            char[] second = Console.ReadLine()
                                    .Split(' ')
                                    .Select(char.Parse)
                                    .ToArray();
            bool isFirst = false;

            for (int i = 0; i < Math.Min(
                                    first.Length,
                                    second.Length); i++)
            {
                if (first[i] < second[i])
                {
                    isFirst = true;
                    break;
                }
                else if (first[i] > second[i])
                {
                    isFirst = false;
                    break;
                }
                if (i == Math.Min(first.Length, second.Length) - 1)
                {
                    if (first.Length < second.Length)
                    {
                        isFirst = true;
                    }
                }
            }
            if (isFirst)
            {
                Console.WriteLine(string.Join("", first));
                Console.WriteLine(string.Join("" ,second ));
            }
            else
            {
                Console.WriteLine(string.Join("", second));
                Console.WriteLine(string.Join("", first));
            }
        }
    }
}